Hackers stole Pentagon personnel records of over 3 million people

Illustration of a database server leaking data

The Pentagon’s Defense Manpower Data Center has notified over 3 million military service members that their personal information was stolen in a security breach. Hackers exploited a vulnerability in the agency’s file-sharing system to gain unauthorized access between October 2025 and July 2026. The compromised data includes Social Security numbers, names, dates of birth, contact information, sex, race, and military personnel information, though the specific details vary for each individual affected.

The Defense Manpower Data Center manages records for military, civilian, contractor, and veteran personnel and distributes benefits and entitlements information to various government agencies. In response to the breach, the Pentagon is offering 12 months of complimentary credit monitoring services through IDX, with affected individuals required to enroll by August 19, 2027. The agency stated it has implemented cybersecurity incident response measures and is working to enhance the system’s security defenses.

Source: Read the full story at BleepingComputer

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